Polished fossil stromatolite slab. Strelley Pool Formation SPF152 polished magneprase Dimensions at widest points approximately

Dimensions at widest points approximately 155 mm x 95 mm x 50 mm thick

105 mm x 70 mm x45 mm

130 mm x 95 mm x 50 mm

Dimensions at widest points are approximately 120 mm x 80 mm x 50 mm

CH442  Chrysoprase  slab polished  on one side

Polished fossil stromatolite slab. Strelley Pool Formation SPF152 polished magneprase Dimensions at widest points approximatelySPF152. Fossil stromatolite slab, polished on one side. These are the oldest known fossils on Earth. From the Strelley Pool Formation in the Pilbara region of Western Australia. Age is approx. 3. 4 billion years. Dimensions approx. 270 mm x 250 mm x 13 mm thick. Weighs 1,619 grams.